Cylinder Head Assembly - Honda GL1800 Service Manual

CYLINDER HEAD/VALVE
Using a 45° seat cutter, cut the seat to the proper
width.
Make sure all pitting and irregularities are
removed.
After cutting the seat, apply lapping compound to
Excessive lapping
the valve face, and lap the valve using light
pressure may
pressure.
deform or damage
Change the angle of the lapping tool frequently to
the seat.
prevent uneven seat wear.
Do not allow lap-
ping compound to
After lapping, wash any residual compound off the
enter the guides.
cylinder head and valve and recheck the seat
contact.

CYLINDER HEAD ASSEMBLY

8-22
INTAKE AL E
AL E
AL E LIFTER
SHIM
COTTERS
SPRING RETAINER
AL E SPRING
STEM SEAL
SPRING SEAT
AL E GUIDE
EXHAUST AL E